/*
 *  Copyright 2010 Ancora Research Group.
 * 
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 * 
 *       http://www.apache.org/licenses/LICENSE-2.0
 * 
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *  under the License.
 */

package org.ancora.InstructionBlock;

/**
 * Represents an Instruction Bus. Can returns GenericInstructions.
 *
 * @author Joao Bispo
 */
public interface InstructionBusReader {

   /**
    * @return the next instruction from the bus, or
     * null if the end of the stream has been reached.
    */
   GenericInstruction nextInstruction();
   long getCycles();
   long getInstructions();
}
